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Chemical and phytotoxic profile of plant roots present in Mina do Sossego-PA

Grant number: 14/20339-5
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): October 01, 2014
Effective date (End): September 30, 2015
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Organic Chemistry
Acordo de Cooperação: Vale-FAPEMIG-FAPESPA
Principal Investigator:Thiago André Moura Veiga
Grantee:Pedro Henrique Arato Ferreira
Host Institution: Instituto de Ciências Ambientais, Químicas e Farmacêuticas (ICAQF). Universidade Federal de São Paulo (UNIFESP). Campus Diadema. Diadema , SP, Brazil
Host Company:Universidade Federal de São Paulo (UNIFESP). Campus Diadema. Instituto de Ciências Ambientais, Químicas e Farmacêuticas (ICAQF)


Natural products, when used as herbicide, destroy the vegetal tissues by contact action, featuring quickly action and some cases, require less half an hour for the target plant becomes vulnerable to these compounds. The use of natural products as prototypes for finding of herbicides is an area which is being operated slowly, perhaps by small number of researchers in the area, fault jobs in biotechnology to produce natural herbicides, or same lack of essay that allow to know the mechanism of action of metabolites. In this propose will studied the phytotoxic potential of substances produced and isolated from root of plants presents in the mining area of region of Mina do Sossego - Canaã dos Carajás - PA. The principal objective will be the attainment of models for new natural herbicides that can patent and with possibility of opening new business prospects. Some reports show which metals present in the soil may alter the metabolism of plants, increasing or decreasing the phytotoxic potential of root exudates, should be the subject of study. The substances isolated will be submitted a series of enzymatic reactions to clarify their mechanisms of action against the photosynthesis in spinach chloroplasts and those with herbicide potential for application in field should suffer structural modification and/or formulation for use. (AU)

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